bougging

Old 07-23-2010, 11:08 PM
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Questions?? bougging

i have a traxxas nitro rustler with a trx 2.5 and after i gets up to temp it starts to boug and it no longer starts accelerating sharply and top end is limited to like 25 or 20 mph in stead of 50+ and including break in it only has 1 1/4 quarts of fuel so if you know tell me and this is my first nitro car so i am not very experianced.
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Old 07-23-2010, 11:11 PM
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What does it do while it's getting up to temp? As it warms up it should lean out, so it sounds like you've got a lean bog. But, since it's a new engine it may have "dropped it's nuts"(goes way rich). I doubt that though since it's only got 1 quart through it.
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Old 07-23-2010, 11:18 PM
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when it gets up to temp it runs fine its alittle slow although and it doesn't even get a wheelie in the blacktop in a straight line when it gets to temp and i'm running at 207/ 210 degrees when it does bog so im very confused.
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Old 07-23-2010, 11:41 PM
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Does it spit and sputter with alot of smoke when it bogs?
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Old 07-23-2010, 11:47 PM
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non of any of those and i know it should have blue smoke with it
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Old 07-23-2010, 11:48 PM
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Try richening each needle 2 hours and see if that helps.
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Old 07-24-2010, 12:01 AM
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Too lean on the HSN and too rich on the LSN. These are finicky little engines, very small adjustments on the LSN. I don't know what fuel you are using but Traxxas fuel is poo. It will run better on a good quality 30% fuel like Byron's Race blend. You want a fuel with no more than 12% oil. Oil causes excess heat and makes a false tune condition more likely.
I had great luck with Trinity MHP 30% fuel in my TRX mills.
You need to start with a fresh glow plug too, you more than likely have distorted your current plug from running the engine lean and too hard too soon. It will not run right with a distorted plug. It will be impossible to tune.
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Old 07-26-2010, 04:46 PM
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20% byron race fuel and what do you mean by 2 hours for the needle? but i apreciate the help
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Old 07-26-2010, 05:34 PM
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On the low speed needle, located at the end of the carb slide, turn it clockwise 2hours or 10 minutes as it would read on a clock.
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